Sébastien Rombauts 7fbfc29677 Fix #23 optimized Statement::getColumn() by name
- fix Statement::getColumn(apName) provided by #45 but was not working
  instead of using #46 that conflicts with current master
- rework it by using a map of columns name as
  a cache populated the first time the method is called
- add corresponding Unit Test
2015-05-03 23:28:41 +02:00
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